Back differential?

Tiny
JOHNSON FRANCIS
  • MEMBER
  • 2004 FORD F-150
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 220,000 MILES
Hello, I have a question about my differential. How can I tell if it's limited-slip, and what are the dimensions? My truck is a 2004 Ford F150 Lariat 4WD Supercab.
Monday, July 28th, 2025 AT 4:25 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,233 POSTS
The differential should have a tag on the rear cover, it that will tell you the gear ratio and if it has a locking differential. A dealer can run the VIN and get the as built data as well.
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Monday, July 28th, 2025 AT 8:49 PM

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